243121241098 has 8 divisors (see below), whose sum is σ = 374538128292. Its totient is φ = 118275198336.

The previous prime is 243121241081. The next prime is 243121241123. The reversal of 243121241098 is 890142121342.

243121241098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 242307109009 + 814132089 = 492247^2 + 28533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642711015 + ... + 1642711162.

Almost surely, 2^243121241098 is an apocalyptic number.

243121241098 is a deficient number, since it is larger than the sum of its proper divisors (131416887194).

243121241098 is a wasteful number, since it uses less digits than its factorization.

243121241098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285422216.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 243121241098 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred forty-one thousand, ninety-eight".